Deck 9: Necrotizing Periodontal Diseases

Question 1

In which of the following types of patients does NUG usually occur?

A)70-year-old male
B)52-year-old female
C)19-year-old student
D)5-year-old toddler

Answer 1

19-year-old student

Question 2

How long after treatment of NUG do signs and symptoms usually resolve?

A)Few days
B)Three weeks
C)One month
D)Five months

Answer 2

Few days

Question 3

All of the following are predisposing factors for the development and progression of necrotizing ulcerative gingivitis except one. Which one is the exception?

A)Stress
B)Trauma
C)Smoking
D)Malnutrition
E)Osteoporosis

Answer 3

Osteoporosis

Question 4

Which of the following features is evident in necrotizing ulcerative periodontitis (NUP)?

A)White plaque-like lesion on gingival
B)Alveolar bone loss
C)Purulent exudates
D)Occlusal trauma

Question 5

The older term for NUG was

A)smoker's mouth.
B)trench mouth.
C)smoker's gingivitis.
D)bacterial gingivitis.

Question 6

Which of the following microorganisms is associated with the pathogenesis of necrotizing ulcerative gingivitis (NUG)?

A)Spirochetes
B)Actinobacillus actinomycetemcomitans
C)Streptococcus mutans
D)Porphyromonas gingivalis

Question 7

Which of the following conditions is a differential diagnosis of NUG?

A)Primary herpetic gingivostomatitis
B)Gingival abscess
C)Pericoronitis
D)Aphthous ulcers

Question 8

Which of the following parts of the periodontium does NUG affect?

A)Enamel
B)Cementum
C)Interdental gingival
D)Alveolar bone
E)Alveolar mucosa

Question 9

Which of the following signs/symptoms of NUG is an infrequent finding?

A)Pain
B)Bleeding
C)Lymphadenopathy
D)Interdental papillae necrosis

Question 10

Necrotizing periodontal diseases are listed as a separate classification because they are unique in their clinical presentation and course and are clinically identifiable.

A)Both statement and reason are correct.
B)Both statement and reason are incorrect.
C)The statement is correct, but the reason is incorrect.
D)The statement is incorrect, but the reason is correct.

Question 11

All of the following are features of NUG except one. Which one is the exception?

A)Necrosis of the papillae
B)Bone loss
C)Erythema of the free gingival
D)Bleeding

Question 12

Which of the following is a microbial feature associated with the gingival lesion of NUG?

A)Degenerative changes in Prevotella intermedia
B)Infiltration of the gingival by spirochetes
C)Abscesses caused by Fusobacterium sp.
D)Penetration into the bone by Treponema

Question 13

Which of the following signs/symptoms is not always present in NUG?

A)Bleeding
B)Pain
C)Fetid odor
D)Ulcerated papillae

Question 14

Which of the following statements is true about NUG?

A)Term can be used interchangeably with ANUG (acute necrotizing ulcerative gingivitis)
B)Usually resolves within a few days after treatment
C)Associated with alveolar bone loss
D)Associated with periodontal abscesses

Question 15

Which of the following describes the shape of the papillae seen in NUG?

A)Rounded off
B)Punched out
C)Blunted
D)Bulbous

Question 16

Clinical features of necrotizing periodontal diseases may be the first sign of

A)malnutrition.
B)hepatitis infection.
C)HIV infection.
D)diabetes mellitus.
E)kidney failure.

Question 17

Which of the following criteria must all be present to make a diagnosis of NUG?

A)Bleeding, fetid oral odor, lymphadenopathy
B)Fetid oral odor, pain, lymphadenopathy
C)Interdental papillae necrosis, pain
D)Interdental papillae necrosis, pain, bleeding
E)Interdental papillae necrosis, fetid oral odor, bleeding

Question 18

Which of the following host cells have been found to be decreased in NUG?

A)Mast cells
B)Plasma cells
C)Lymphocytes
D)Polymorphonuclear leukocytes
E)Macrophages

Question 19

Which of the following symptoms is always seen in patients with NUG?

A)Fetid odor
B)Deep pockets
C)Abscesses
D)Nausea
E)Pain

Question 20

Which of the following terms describes the grayish slough found on the gingival tissue in NUG?

A)Pseudomembrane
B)Necrosis
C)Ulceration
D)Abscess

Question 21

NUG and NUP have "punched-out" papillae.

Question 22

Prevotella intermedia have been shown to invade soft tissue in NUG.

Question 23

Necrotizing periodontal diseases are bacterial infections.

Question 24

Necrotizing ulcerative gingivitis

Question 25

NUG may be the first sign of HIV infection.

Question 26

Fetid odor (from the oral cavity)is one of the three criteria needed to diagnosis NUG.

Question 27

NUP is limited to HIV infections.

Question 28

Smoking is a predisposing factor for NUG.

Question 29

Necrotizing ulcerative periodontitis involves the bone and periodontal ligament.

Question 30

Ulcerative periodontal diseases